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Won't idle.

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Old Mar 13, 2012 | 09:47 AM
  #1  
SecondChance!!'s Avatar
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Default Won't idle.

Got off duty last night and was getting dressed to head home with mine and my partners bike running and mine sounded like it was getting ready to launch. I looked and it was idleing at 2K. Normally it will run a bit high then settle down to 1K-1200 at idle. Ride 25 mins home, pull up to garage and it is still doing it, any ideas? i can roll the throttle forward a tad and get it to drop down. Let go, same thing. It is an 08 SE Ultra.
 
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Old Mar 13, 2012 | 09:58 AM
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I read somewhere that with the throttle by wire, sometimes it has a memory of the last setting of the throttle before you shut it off. They said to cycle the ignition switch on without starting the bike and off 4 times, then start it on the 5th and it will reset it.
 
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Old Mar 13, 2012 | 10:17 AM
  #3  
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If what Steve said doesn't work try disconnecting the battery 4 a couple of minutes then connect it back up should reset your idle if not try cleaning your IAC sensor.
 
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Old Mar 14, 2012 | 12:49 AM
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Yep -- Turn ignition switch ON until the radio kicks in, OFF until the security lights flash -- 4 times. That will reboot the ignition system.

There's a dealer download that supposedly fixes the issue (usually caused by the engine being shut off right after a twist and it "remembers" that speed as idle). I've heard a negative thing or two about throttle latency (this is back in late '08, so it might not be the same anymore) so I didn't do it. But the reset will do the trick for you 99.8% of the time.
 
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Old Mar 15, 2012 | 01:03 PM
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Thanks for the replys. Somehow I must have done one of these for today it seemed to be fine. ????!!!! Blind pig finds a nut once in awhile I guess. I will have to remember what ya'll said and if it happens again, I will try it and see what happens.
 
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Old Mar 17, 2012 | 07:06 PM
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I have the 08 Ultra,Has happened a few times to me,Did what the manual said,and its fine....Sensor in the throttle like you said.
 
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Old Mar 17, 2012 | 08:26 PM
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It makes me sick that you have to reboot a bike nowadays!!
Glad I still have my old carb bike! I have enough electronics in my life already :-)
 
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